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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Hybrid Battery System - Diagnostic Codes (5 Of 5) & Symptom Tests) >> HYBRID BATTERY SYSTEM (for PHEV Model) >> DTC P33DA-1E: Hybrid/EV Battery Stack 1 Circuit Resistance Out of Range; DTC P33DB-1E: Hybrid/EV Battery Stack 2 Circuit Resistance Out of Range; DTC P33DC-1E: Hybrid/EV Battery Stack 3 Circuit Resistance Out of Range; DTC P33DD-1E: Hybrid/EV Battery Stack 4 Circuit Resistance Out of Range [12/2023 - ] >> Description

DTC P33DA-1E: Hybrid/EV Battery Stack 1 Circuit Resistance Out of Range; DTC P33DB-1E: Hybrid/EV Battery Stack 2 Circuit Resistance Out of Range; DTC P33DC-1E: Hybrid/EV Battery Stack 3 Circuit Resistance Out of Range; DTC P33DD-1E: Hybrid/EV Battery Stack 4 Circuit Resistance Out of Range [12/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.

The HV battery is composed of 96 cells (3.7 V each) in series. The battery ECU assembly monitors the internal resistance of each HV battery cell to detect malfunctions of the HV battery.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate DTC Output from Priority Note
P33DA-1E Hybrid/EV Battery Stack 1 Circuit Resistance Out of Range The difference in internal resistance of each cell of the No. 1 HV supply stack sub-assembly exceeds the threshold.
(1 trip detection logic)
  • No. 1 HV supply stack sub-assembly
  • Service plug grip
 Comes on Master Warning:
Comes on		 HV Battery A SAE Code:
P33DA
P33DB-1E Hybrid/EV Battery Stack 2 Circuit Resistance Out of Range The difference in internal resistance of each cell of the No. 2 HV supply stack sub-assembly exceeds the threshold.
(1 trip detection logic)
  • No. 2 HV supply stack sub-assembly
  • Service plug grip
 Comes on Master Warning:
Comes on		 HV Battery A SAE Code:
P33DB
P33DC-1E Hybrid/EV Battery Stack 3 Circuit Resistance Out of Range The difference in internal resistance of each cell of the No. 3 HV supply stack sub-assembly exceeds the threshold.
(1 trip detection logic)
  • No. 3 HV supply stack sub-assembly
  • Service plug grip
 Comes on Master Warning:
Comes on		 HV Battery A SAE Code:
P33DC
P33DD-1E Hybrid/EV Battery Stack 4 Circuit Resistance Out of Range The difference in internal resistance of each cell of the No. 4 HV supply stack sub-assembly exceeds the threshold.
(1 trip detection logic)
  • No. 4 HV supply stack sub-assembly
  • Service plug grip
 Comes on Master Warning:
Comes on		 HV Battery A SAE Code:
P33DD

HINT: 

These DTCs can be stored after clearing DTCs and driving the vehicle for approximately 10 minutes.

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